Finding the Fourth Proportional to 6,748,984.48, 9,313,599.36 and 3,693,198.88
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Solution
The fourth proportional to 6,748,984.48, 9,313,599.36 and 3,693,198.88 is: 5,096,614.88
Step by Step Solution
- Step 1: Write the proportion equation
6,748,984.48 : 9,313,599.36 = 3,693,198.88 : x - Step 2: Convert to fraction form
6,748,984.48/9,313,599.36 = 3,693,198.88/x - Step 3: Cross multiply
6,748,984.48x = 9,313,599.36 × 3,693,198.88 - Step 4: Simplify right side
6,748,984.48x = 34,396,974,725,120.71 - Step 5: Solve for x
x = 34,396,974,725,120.71/6,748,984.48 - Step 6: Final answer
x = 5,096,614.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.